#3773C0#3773C0

#3773C0 is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.4% C 0.135 H 255.8°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3773C0
RGB	rgb(55, 115, 192)
HSL	hsl(214, 55%, 48%)
HSV	hsv(214, 71%, 75%)
CMYK	cmyk(71.4%, 40.1%, 0%, 24.7%)
CIE-LAB	lab(48.11, 6.59, -46.01)
CIE-LCH	lch(48.11, 46.48, 278.15°)
OKLab	oklab(55.42% -0.0331 -0.1312)
OKLCH	oklch(55.42% 0.135 255.8)
XYZ	xyz(17.2172, 16.8776, 52.2093)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3773C0 #C08437

analogous

#37B7C0 #3773C0 #3F37C0

triadic

#3773C0 #C03773 #73C037

tetradic

#3773C0 #C037B7 #C08437 #37C03F

square

#3773C0 #C037B7 #C08437 #37C03F

split-complementary

#3773C0 #C03F37 #B7C037

monochromatic

#1C3A61 #295790 #3773C0 #6293D2 #92B4E0

Accessibility & contrast

On white

4.80

#3773C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#3773C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3773C0

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3773C0	#FFFFFF	#000000	##FFFFFF
##3773C0	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F79C3

Deuteranopia (green-blind)

#396CBE

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3773c0;
/* rgb */ color: rgb(55, 115, 192);
/* oklch */ color: oklch(55.4% 0.135 255.8);

Tailwind

colors: {
  custom: {
    50: '#7e9ad3',
    500: '#3773c0',
    950: '#000000',
  },
}

SCSS

$custom: #3773c0;
$custom-light: #7e9ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3773c0",
  "rgb": {
    "r": 55,
    "g": 115,
    "b": 192
  },
  "hsl": {
    "h": 213.723,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55421,
    "c": 0.13536,
    "h": 255.8
  },
  "luminance": 0.16879
}

Semantic roles & 50–950 ramp

primary

#3773C0

secondary

#CBAE88

accent

#9D49DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3773C0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →